Home / 53,145.08-79,620.40-25,088.32

Finding the Fourth Proportional to 53,145.08, 79,620.40 and 25,088.32

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Solution

The fourth proportional to 53,145.08, 79,620.40 and 25,088.32 is: 37,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.08 : 79,620.40 = 25,088.32 : x
  2. Step 2: Convert to fraction form
    53,145.08/79,620.40 = 25,088.32/x
  3. Step 3: Cross multiply
    53,145.08x = 79,620.40 × 25,088.32
  4. Step 4: Simplify right side
    53,145.08x = 1,997,542,073.73
  5. Step 5: Solve for x
    x = 1,997,542,073.73/53,145.08
  6. Step 6: Final answer
    x = 37,586.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.